Tears are essential for both moisten the eye permanently to sweep dust and disinfect. People who suffer from dry eye are extremely embarrassed! For sexual fluids, it is the same, they are all important.
 

In women

The cervical mucus This is essentially shooting (it stretches between the fingers), very fluid, transparent, appearance of raw egg white, which comes from the vagina. In fact, it comes from the uterus, the cervix where it is produced just before ovulation. His role is both to serve the scale sperm (microscope, it looks like a net), feed them, but also keep several days living in good conditions, the time to patiently wait for ovulation. The more a woman has a cervical mucus abundant and good quality, the more it is fertile. Some infertility may be due to a defect or lack of cervical mucus.

The product of Bartholin glandsIs produced as a result of the desire by two small glands at the vulva. It can serve as external lubrication, but not vagina. Occasionally, these glands become clogged, forming a kind of painful cyst. This is a Bartholinitis.

Female ejaculation : This fluid comes out, as urine through the urethra during contractions of orgasm. It is partly produced by the para-urethral glands sometimes called "female prostate".

The vaginal transudation : As the droplets of sweat on the surface of the skin when it is hot, transudate droplets bead on the surface of the vagina as a result of sexual desire. This is vaginal lubrication not produced by glands, but further training of transparent fluid that passes through the pores. This course allows penetration and movements back and forth smoothly, gently and without pain ... always leave room for pleasure.

The fluid Skene's gland : These glands are also known as prostate or female para-urethral glands. The substance they manufacture in the composition of the female ejaculation, without being probably the only component. This fluid comes out so choppy at the moment of orgasm. When it is abundant, it is called female ejaculation. When it is scarce, it goes unnoticed!

In humans

The fluid glands of Cowper male is a liquid produced by small glands located near the bodies of erectile penis. When erection occurs, the erectile bodies pressing these glands cause the release of this fluid. Its role is to cleanse the urethra of acidic urine. Indeed, the sperm could be damaged on contact. And then, this fluid also has a role lubricant for penetration of the penis into the vagina.

Seminal fluid is the last component of semen. It is produced by the seminal vesicles, small bags that are contracted sharply during ejaculation.

Semen : It is a liquid that does not always look the same, and for good reason. He shape just before ejaculation by the mixture of three substances: the prostatic fluid, seminal fluid and the product containing testicular sperm. As the percentages of these three components can vary, it may be more or less transparent, more or less white, and sometimes have small particles, while remaining perfectly normal.

The prostatic fluid is one of the three components of semen. And Prostate in some manufactures. The prostatic fluid contains no sperm.

And all these fluids are very clean because they do not, a priori, no germs, except of course in case of illness.